Wide Frequency Band Active Damping Strategy for DFIG System High Frequency Resonance

Yipeng Song, Frede Blaabjerg

Research output: Contribution to journalJournal articleResearchpeer-review

13 Citations (Scopus)
239 Downloads (Pure)

Abstract

As a popular renewable power generation solution, the Doubly Fed Induction Generator (DFIG) based wind power system may suffer from High Frequency Resonance (HFR) caused by the impedance interaction between the DFIG system and the parallel compensated weak network. A wide frequency band active damping strategy for DFIG system HFR, including a high-pass filter and a virtual resistance, is proposed in this paper. The advantages of this active damping strategy are, 1) no resonance frequency detection unit is required, thus the control complexity can be decreased; 2) no active damping parameters adjustment is needed within certain wide frequency band, thus the robustness of the proposed active damping strategy can be improved. The parameter design of the high-pass filter cutoff frequency and the virtual resistance are theoretically analyzed with the purpose of satisfactory active damping. A 7.5 kW down-scaled experimental setup is built up for the experimental validation of the proposed active damping method.
Original languageEnglish
JournalI E E E Transactions on Energy Conversion
Volume31
Issue number4
Pages (from-to)1665-1675
Number of pages11
ISSN0885-8969
DOIs
Publication statusPublished - Dec 2016

Keywords

  • Parameters design
  • DFIG system impedance
  • High frequency resonance active damping
  • High-pass filter
  • Virtual resistance

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